Explanation

Answer:

C

The coil of the iron core is called an electromagnet. The iron core increases the magnetic field strength of the coil. Wrap a wire around an iron nail to make a simple electromagnet.

Explanation

A piece of steel sinks in water because steel is denser than water. However, a steel ship is a hollow object made of steel and contains a lot of air in it.

Due to presence of a lot of air in it, the average density of the ship becomes less than the density of water. Hence a ship floats in water.

Explanation

Metamorphic rocks are rocks formed from existing rocks whose mineralogy, chemistry, and texture  have  changed due to heat and pressure in the depths of the Earth's crust.

Explanation

• the top of a match makes use of antimony trisulfide for fuel.
• Potassium chlorate allows that gasoline burn and is largely the important thing to ignition,
• while ammonium phosphate prevents the match from smoking an excessive amount of whilst it is extinguished.
• Wax enables the flame journey down the matchstick and glue holds all the stuff collectively.
• The heads of safety matches are composed of a single part. They contain antimony trisulfide, potassium chlorate, sulfur, powdered glass, inert fillers, and animal glue.
• they will additionally encompass a water-soluble dye.
  
  

Explanation

Answer:

c

The Ferro-chromite rod aerial antenna is a form of RF antenna that is almost universally used in portable transistor broadcast receivers as well as many hi-fi tuners where reception on the long, medium, and possibly the short wave bands is required.

Explanation

Explanation

Diamond and graphite are two allotropes of carbon:

pure forms of the same element that differ in structure.

Explanation

Tritium is an isotope of hydrogen that is composed of one proton, two neutrons, and one electron.

The symbol for tritium is 3^H.

The atomic number of tritium is 1 

the atomic mass of tritium is 3.

Explanation

Bauxite is the most common aluminum ore. Approximately 98% of primary aluminum production is based on bauxite

Explanation

Cellulose is a carbohydrate.

Important Question

Both starches and cellulose are carbohydrates.

Cellulose is a fibrous carbohydrate found in all plants.

...

Carbohydrate polymers, such as cellulose and chitin, are the most abundant materials found in nature.

Carbohydrates are stored in plants and animals in the following respective forms Starch and glycogen

Fructose is a carbohydrate known as Fruit Sugar

ND16-8-2023